Secret Society of Second-Born Royals is a 2020 American science fantasy superhero film directed by Anna Mastro from a screenplay by Alex Litvak and Andrew Green, based on a story by Litvak, Green, and Austin Winsberg. Zanne Devine, Mike Karz and Winsberg serve as producers. The film stars Peyton Elizabeth Lee, Niles Fitch, Isabella Blake-Thomas, Olivia Deeble, Noah Lomax, Faly Rakotohavana, Ashley Liao, Sam Page, Greg Bryk, Élodie Yung, and Skylar Astin, and was produced in association with Disney Channel. The film generally received mixed reviews from critics, with some finding it to be a cliché Disney Channel Original Movie.

The film was released on Disney+ on September 25, 2020.